Four-dimensional computed tomography of the left ventricle, Part II: estimation of mechanical activation times.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15550
Abstract: PURPOSE We demonstrate the viability of a four-dimensional x-ray computed tomography (4DCT) imaging system to accurately and precisely estimate mechanical activation times of left ventricular (LV) wall motion. Accurate and reproducible timing estimates of LV… read more here.
Keywords: wall; four dimensional; motion; mechanical activation ... See more keywords
Mechanical Activation and Thermal Treatment of Low-Energy Nb-2Si Powder Blend. The Experiment. II. Mathematical Model
Sign Up to like & getrecommendations! Published in 2019 at "Russian Physics Journal"
DOI: 10.1007/s11182-019-01657-4
Abstract: The paper proposes a mathematical model of thermal explosion in mechanically activated Nb–2Si powder blend. A study of the dynamics of mechanical activation synthesis of the Nb–Si system shows that preliminary activation of the initial… read more here.
Keywords: activation; mathematical model; powder; mechanical activation ... See more keywords
A Study on the Characterization of MASHS Processed Ti-Si-Al System
Sign Up to like & getrecommendations! Published in 2018 at "Silicon"
DOI: 10.1007/s12633-018-9785-4
Abstract: Many promising titanium aluminides and silicides could be synthesized in Ti-Si-Al system via mechanically activated self-propagating high-temperature synthesis (MASHS). The influence of mechanical activation and initial composition on phase formation, microstructure and synthesis behavior of… read more here.
Keywords: system; study characterization; mashs; characterization mashs ... See more keywords
Mechanical Activation on Phosphogypsum: Hydrosodalite System
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DOI: 10.1007/s12649-018-0339-1
Abstract: The application of phosphogypsum in the production of binding materials is problematic because of phosphate, fluorine and other soluble impurities. These impurities influence the strength development of binding materials and during operating time can be… read more here.
Keywords: phosphogypsum hydrosodalite; phosphogypsum; binding materials; mechanical activation ... See more keywords
Basic Leaching Behavior of Mechanically Activated Zinc Plant Residue
Sign Up to like & getrecommendations! Published in 2019 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-019-01687-z
Abstract: AbstractZinc plant residue is a secondary metal source because it has precious metals such as zinc and lead. However, since this residue contains partial ferrite structure, there is no large-scale recovery in metallurgy industry. The… read more here.
Keywords: zinc; mechanical activation; zinc plant; plant residue ... See more keywords
Contribution of mechanical activation and annealing in the formation of nanopowders of Al(Cu)/TiC-Al2O3 hybrid nanocomposite
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DOI: 10.1016/j.ceramint.2016.11.082
Abstract: Abstract A feasible approach to fabricate an Al(Cu)-based hybrid nanocomposite reinforced with TiC and Al 2 O 3 based on mechanical activation and post heat treatment was proposed. Structural and phase evolution during mechanical alloying… read more here.
Keywords: microscopy; hybrid nanocomposite; formation; mechanical activation ... See more keywords
Influence of mechanical activation of reactive mixtures on the microstructure and properties of SHS-ceramics MoSi2–HfB2–MoB
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.07.009
Abstract: Abstract In this work, the influence of modifications of SHS-process on the microstructure and performance characteristics of composite ceramics MoSi2-HfB2-MoB with two-level structure was studied. Partial texturing of MoSi2 grains in samples obtained by force… read more here.
Keywords: ceramics mosi2; influence; microstructure; mechanical activation ... See more keywords
The mechanisms of improved chalcopyrite leaching due to mechanical activation
Sign Up to like & getrecommendations! Published in 2017 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2017.08.014
Abstract: Abstract Chalcopyrite leaching has attracted much attention in both research work and industrial implementation due to its low cost. However, the slow Cu leaching rate during chalcopyrite dissolution process limits its wide application. This paper… read more here.
Keywords: chalcopyrite leaching; improved chalcopyrite; mechanical activation; mechanisms improved ... See more keywords
Cardiac Resynchronization Therapy in Patients With Heart Failure and Narrow QRS Complexes.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the American College of Cardiology"
DOI: 10.1016/j.jacc.2018.01.042
Abstract: BACKGROUND Cross correlation analysis (CCA) using tissue Doppler imaging has been shown to be associated with outcome after cardiac resynchronization therapy (CRT) in patients with heart failure (HF) with wide QRS. However, its significance in… read more here.
Keywords: mechanical activation; delayed mechanical; resynchronization therapy; cca ... See more keywords
Effect of mechanical activation on compactibility of metal hydride materials
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2016.11.320
Abstract: Abstract The most common hydrogen storage alloys (TiFe, Mg 2 Ni and LaNi 5 ) were chosen for studying the effect of high energy ball milling (HEBM) on the ability of intermetallic powders to form… read more here.
Keywords: compactibility metal; effect mechanical; mechanical activation; effect ... See more keywords
Enhanced recovery of rare earth elements from waste phosphors by mechanical activation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2016.11.062
Abstract: Rare earth elements (REEs) make up more than 23 wt% of phosphors in fluorescent lamps (FLs). The REEs recovering from waste phosphors is becoming a critical issue since REEs are considered critical elements, being important in… read more here.
Keywords: earth elements; waste; rare earth; mechanical activation ... See more keywords